Imported reiserfsprogs-3.6.20

utils/resizer/fe.c

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2000-2004 by Hans Reiser, licensing governed by 
+ * reiserfsprogs/README
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "resize.h"
+#include "util/mntent.h"
+
+#include <errno.h>
+#include <sys/mount.h>
+#include <mntent.h>
+
+/* the front-end for kernel on-line resizer */
+int resize_fs_online(char * devname, long long int blocks) {
+	struct mntent *mnt;
+	char buf[64];
+	
+	/* Find the mount entry. */
+	if ((mnt = util_mntent(devname)) == NULL)
+		misc_die ("resize_reiserfs: can't find mount entry\n");
+
+	sprintf(buf,"resize=%lld", blocks);
+
+	if (mount(mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type,
+		  (unsigned long)(MS_MGC_VAL << 16 | MS_REMOUNT), buf)) 
+	{
+		misc_die ("resize_reiserfs: remount failed: %s\n", 
+		     strerror(errno));
+	}
+
+	return 0;
+}
+